Gwen Stefani, Bloomingdales

President Obama shares a laugh with Gwen Stefani on stage. (Official White House Photo by Pete Souza)

Gwen Stefani of No Doubt at Global Citizen 2015 Earth Day in Washington DC

Gwen Stefani performs after dinner. (Official White House Photo by Pete Souza)

Gwen Stefani performs with No Doubt at the New Orleans Jazz & Heritage Festival on May 1, 2015

Gwen Stefani performs on the National Mall for Global Citizen Earth Day 2015

Please attribute to Lorie Shaull if used elsewhere Gwen Stefani performs on the National Mall for Global Citizen Earth Day 2015 <a href='https://www.popville.com/2015/04/fantastic-photos-of-the-earth-day-concert-on-the-mall/' data-x-rel='nofollow'>www.popville.com/2015/04/fantastic-photos-of-the-earth-da...</a>

Please attribute to Lorie Shaull if used elsewhere Gwen Stefani of No Doubt at Global Citizen 2015 Earth Day in Washington DC

Gwen Stefani on stage in 2007.

Gwen at her Las Vegas residency 'Just A Girl'